(BSB and S57 formats)
Digital Chart Updates from NOAA
OCS provides updates to digital NOAA charts in either BSB raster and S57 vector formats for electronic navigation systems.
Standing Chart Orders & Canadian Publications
Chart Editions – Standing Order
Individual Chart Replacements
List of Lights and CHS Notice to Mariners
U.S. Coast Guard
Allows the Use of Digital Publications
In 2015 OCS began to provide digital updates to many government publications. Weekly DVDs or USB flash drives may be sent in lieu of the printed updates formatted as replacement pages.